矩阵键盘键值显示和液晶程序

数字电压表设计，单片机AT89S51与ADC0809设计，能够测量0－5V之间的直流电压值，四位数码显示。完整的C语言代码和电路图-Digital voltage meter design, microcontroller AT89S51 with ADC0809 design, capable of measuring between 0-5V DC voltage value, four digital display. Complete C language code and circuit diagram

LCM 12864 LCD图形显示程序例子 在LCD上显示一幅图，是“我的电脑，我的文档”。IC用PIC16F877A，晶振 4MHZ，采用并行8线，LCD：TS12864-3，接法在程序中有定义，只要将此程序COPY到你的PICC里编译下载后，在目标板上即可以看到图画了！-LCM 12864 LCD graphics display program examples in the LCD display a map, is the

智能交通灯控制 实验做的 -Intelligent traffic lights control experiments make the

步进电机四轮驱动 -Stepper motor stepper motor four-wheel-drive four-wheel drive

该原代码应用在cpu(st89le516AD+)上,控制GPRS模块sim100,通过检测系统状态(通电状态,运行状态,AD采样值),通过GPRS模块的短信功能,实现无线报警.-the original source applications in cpu (st89le516AD), GPRS module sim100 control through detection system state (state electricity, running AD values), GPRS module messaging functions, wireless alarm.

usb程序 硬件用的是isp1518，传输方式dma-usb hardware procedure is used isp1518, transmission dma

一个不错的keil优化手册，适合初学者，希望能提供帮助-A good optimization keil manual, suitable for beginners, hoping to provide help

m16做的简易示波器，内含源程序和电路图 pdf格式-Oscilloscopes m16 easy to do, including source code and circuit diagram pdf format

ZLG7289键盘显示接口芯片是一个很常用的接口芯片，至需4个IO口接可以控制显示8位的数码管显示和64个矩阵键盘的自动扫描，效果很好。-ZLG7289 keyboard display interface chip is a very common interface chip, to take four IO access can be controlled mouth shows 8 digital tube display and keyboard matrix 64 automatically scans, very good.

MSP430F2350 I2C Library